Colony » Colony Scout » Colony Scout OS

/*

 * Copyright (c) 1989, 1993

 *        The Regents of the University of California.  All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. Neither the name of the University nor the names of its contributors

 *    may be used to endorse or promote products derived from this software

 *    without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

 * SUCH DAMAGE.

 *

 *        @(#)fts.h        8.3 (Berkeley) 8/14/94

 */

#ifndef        _FTS_H_

#define        _FTS_H_

typedef struct {

        struct _ftsent *fts_cur;        /* current node */

        struct _ftsent *fts_child;        /* linked list of children */

        struct _ftsent **fts_array;        /* sort array */

        dev_t fts_dev;                        /* starting device # */

        char *fts_path;                        /* path for this descent */

        int fts_rfd;                        /* fd for root */

        int fts_pathlen;                /* sizeof(path) */

        int fts_nitems;                        /* elements in the sort array */

        int (*fts_compar)                /* compare function */

                (const struct _ftsent **, const struct _ftsent **);

#define        FTS_COMFOLLOW        0x001                /* follow command line symlinks */

#define        FTS_LOGICAL        0x002                /* logical walk */

#define        FTS_NOCHDIR        0x004                /* don't change directories */

#define        FTS_NOSTAT        0x008                /* don't get stat info */

#define        FTS_PHYSICAL        0x010                /* physical walk */

#define        FTS_SEEDOT        0x020                /* return dot and dot-dot */

#define        FTS_XDEV        0x040                /* don't cross devices */

#if 0

#define        FTS_WHITEOUT        0x080                /* return whiteout information */

#endif

#define        FTS_OPTIONMASK        0x0ff                /* valid user option mask */

#define        FTS_NAMEONLY        0x100                /* (private) child names only */

#define        FTS_STOP        0x200                /* (private) unrecoverable error */

        int fts_options;                /* fts_open options, global flags */

} FTS;

typedef struct _ftsent {

        struct _ftsent *fts_cycle;        /* cycle node */

        struct _ftsent *fts_parent;        /* parent directory */

        struct _ftsent *fts_link;        /* next file in directory */

        long fts_number;                /* local numeric value */

        void *fts_pointer;                /* local address value */

        char *fts_accpath;                /* access path */

        char *fts_path;                        /* root path */

        int fts_errno;                        /* errno for this node */

        int fts_symfd;                        /* fd for symlink */

        u_short fts_pathlen;                /* strlen(fts_path) */

        u_short fts_namelen;                /* strlen(fts_name) */

        ino_t fts_ino;                        /* inode */

        dev_t fts_dev;                        /* device */

        nlink_t fts_nlink;                /* link count */

#define        FTS_ROOTPARENTLEVEL        -1

#define        FTS_ROOTLEVEL                 0

        short fts_level;                /* depth (-1 to N) */

#define        FTS_D                 1                /* preorder directory */

#define        FTS_DC                 2                /* directory that causes cycles */

#define        FTS_DEFAULT         3                /* none of the above */

#define        FTS_DNR                 4                /* unreadable directory */

#define        FTS_DOT                 5                /* dot or dot-dot */

#define        FTS_DP                 6                /* postorder directory */

#define        FTS_ERR                 7                /* error; errno is set */

#define        FTS_F                 8                /* regular file */

#define        FTS_INIT         9                /* initialized only */

#define        FTS_NS                10                /* stat(2) failed */

#define        FTS_NSOK        11                /* no stat(2) requested */

#define        FTS_SL                12                /* symbolic link */

#define        FTS_SLNONE        13                /* symbolic link without target */

#define        FTS_W                14                /* whiteout object */

        u_short fts_info;                /* user flags for FTSENT structure */

#define        FTS_DONTCHDIR         0x01                /* don't chdir .. to the parent */

#define        FTS_SYMFOLLOW         0x02                /* followed a symlink to get here */

#define        FTS_ISW                 0x04                /* this is a whiteout object */

        u_short fts_flags;                /* private flags for FTSENT structure */

#define        FTS_AGAIN         1                /* read node again */

#define        FTS_FOLLOW         2                /* follow symbolic link */

#define        FTS_NOINSTR         3                /* no instructions */

#define        FTS_SKIP         4                /* discard node */

        u_short fts_instr;                /* fts_set() instructions */

        struct stat *fts_statp;                /* stat(2) information */

        char fts_name[1];                /* file name */

} FTSENT;

#include <sys/cdefs.h>

__BEGIN_DECLS

FTSENT        *fts_children(FTS *, int);

int         fts_close(FTS *);

FTS        *fts_open(char * const *, int,

            int (*)(const FTSENT **, const FTSENT **));

FTSENT        *fts_read(FTS *);

int         fts_set(FTS *, FTSENT *, int);

__END_DECLS

#endif /* !_FTS_H_ */